Contacta STS-K020 User guide

Brand: Contacta

Model: STS-K020

Type: User guide

Contacta STS-K020 is a window intercom system designed for retrofitting into screens with existing openings between 2-4” in diameter. It features a glass-mounted microphone assembly with a ballistically tested microphone bracket, overhead speaker, and staff unit with microphone and speaker. A hearing loop aerial is included for hearing device wearers. The system allows for clear communication between customers and staff, even in noisy environments. Installation requires basic tools and can be completed by a qualified installer. Enjoy clear and reliable communication with Contacta STS-K020.

Installation &

User Guide

September 2021

Window Intercom System

STS-K020

Contents

Product Overview

Kit Components

Installation Instructions

 AmplierInstallation

Customer Microphone Assembly Installation

Customer Speaker Installation

 StaSpeaker&MicrophoneInstallation

 AmplierConnections

Hearing Loop Installation

 AmplierSetup

Engineer’s Mode

Troubleshooting

Product Overview

Contacta’sSTS-K020isdesignedforretrottingintoscreenswhere

there are existing openings between 2-4” in diameter. This product is

designedforinstallationatlocationssuchasbanks,postoices,and

more.

A hearing loop aerial is included to provide additional assistance for

hearing device wearers.

The microphone bracket is balistically tested to threat level IIIA, test

standard:modied/abbreviatedNIJ0108.01.

Kit Components

General Components

Amplier[STS-A31H]

PowerSupply[PS-55]

HearingLoopAerial[IL-AE98]3.

Speaker and Microphone Components

OverheadSpeaker[STS-S23]1.

StaUnit[PS-SU1]2.

Glass Mounted Microphone

Assembly featuring STS-M14-000

[balisticallytestedtothreatlevelIIIA]

Also included is a Fixing Kit, which contains:

• (6) 8-32” Screws

• (6) P Clips

• (10) Adhesive Clips

• Screws for STS-S23

4. Metal Stem for Microphone (3 foot standard)

Installation Instructions

Werecommendthatinstallationiscarriedoutbyaqualiedinstaller,

adhering to relevant standards.

Check the contents of the box to familiarize yourself with the

components.

Recommended Tools

A basic toolkit recommended to install the system will include:

• Screwdrivers (Flat or Blade

2.5mm and Phillips Head PH2)

• Battery or Mains Drill

• Drillbits: 2mm, 3mm, 5mm and

7mm

• Allen Key Set

• Cable Tacking Gun

•WireCutters/Strippers

• Pliers

• Tape Measure

• Pencil or Marker Pen

• Cable Ties

• Electrical Insulation Tape

• Trunking

Trim cables if necessary (excluding power supply) to the required length

toconnecttothebackoftheamplier.Bareapproximately6mmofthe

cable ends to connect the 2 pin plugs.

AmplierInstallation

Fixing points

1. Placetheamplierunderthestacounter,ensuringthatitwillnot

obstructstawhentheyaresitting.

Theamplierfrontshouldfaceoutwardswithadjustment

buttons accessible. Ensure access to the rear panel for necessary

connections.

2. Markthefourxingpointsfortheamplierunderthecounter.

3. Drillandxtheamplierinplaceusingthesuppliedscrews.

4. Installtheamplier’spowersupplyclosetoapowersocketoutlet

usingthesuppliedmountingbracketandxingscrews.

Customer Microphone

Assembly Installation

STS-C100 Anti-Vandal Microphone with Glass Mount Kit

The microphone bracket is balistically tested to threat level IIIA, test

standard:modied/abbreviatedNIJ0108.01.

1. Conrmtheholeintheglassisbetween2½and4½inchesin

diameter.

2. Separate the front and rear polycarbonate plates.

3. Place the customer facing plate (containing the stainless steel

microphonecapsule)onaatsurface,withthecapsulefacing

downwards.

4. Screw an 8-32 2” stud into every second hole (three total).

5. Feed one blue rubber gasket through the microphone wire and align

the holes with the three studs. Then, push the gasket down so that it

isushonthepolycarbonateplate.

6. While standing on the customer-side, feed the microphone wire

attached to the front polycarbonate plate through the opening of

theglassbarrierandontothestaside.

The microphone capsule should point forward, towards the

customer standing position.

7. When the end of the wire is reached, hold the front polycarbonate

plateushtotheopeningintheglassbarrier.

Use tape to temporarily secure the front polycarbonate plate to the

window, ensuring it holds the plate and the microphone capsule

securely.

8. Movetothestaside.Feedthesecondbluerubbergasketthrough

the microphone wire, aligning the holes of gasket to slip it onto the

three8-322”studsandushagainstthescreen.

9. The assembly kit is supplied with 3 feet of stainless steel tubing,

designed to conceal and protect the microphone wire routing on the

screen.

• The tubing may be separate from the microphone wire or have

the wire inside it already depending on the model and sup-

ply setup. If your tubing is separate, insert the wire into it and

thread through.

• The tubing with the microphone wire should be positioned on

theinsideofthescreen(staside).Itcanbecuttothesize

required.

• Thetubingandwirecanbettedinanydirectionbyturningthe

plate around to the desired direction: vertically, diagonally, or

horizontally. Note: Assistance from another person on the other

side of the screen may be required.

10. Measure and cut the metal tubing to the required length. Feed the

wire through the tubing until reaching the end. The tubing may be

benttoadesiredconguration.

Note:

• Tubing is held into position by the two polycarbonate plates.

The edge of the tubing is pressed between the plates and

shouldbelocatedinthedesignatedingressofthestaside

plate. The tubing is designed to run along the window surface,

concealing the wire and leading it neatly to the screen edge.

• Depending on the type of your screen and length of the tubing

used, a self adhesive cable clip might be required to hold and

support the far end of the stem into position on the screen.

• If you require tubing in longer lengths please contact the

manufacturer as longer lengths are available to order.

11. Alignandplacetherear(sta-facing)plateontothestuds,ensuring

the metal tubing is pointing towards the direction you require.

12. Screw in three of the 8-32 2” screws into the three empty holes in

the plate, tightening enough to hold all the pieces together. Note:

You may need to lift the unit slightly to properly align the screws.

13. Nowremovethealignmentstudsbyunscrewingthemandreplace

them with the remaining three 8-32 2” screws.

14. Tightenallsixscrewsina“star”conguration.Tighteneachinsmall

increments until all screws are completely tightened and the two

platesareheldrmlyintoposition,securelyholdingthestainless

steel tube with the wire.

15. Route the microphone cable from the edge of the screen back to the

amplierinaneatandtidyfashion,usingcablecontainmentwhere

required.

16. Plug the green connector into the ‘Cust Mic’ port on the back of the

amplier.

17. Remove the tape holding the customer side plate and the

microphone capsule.

18. The microphone and speaker installation is now complete. The

system should resemble the unit on the following page (dependant

on the tubing set up).

Customer Speaker Installation

STS-S23

The intended location of the speaker is on a window frame, secured

tightly with supplied screws.

The speaker can be installed onto metal, wooden or plastic frames,

at either the top of a screen or on the sides. The speaker angle can be

adjustedtopointtowardsthecustomerforbettersound.

The optimum installed height is 6-8 feet from the customer.

Environments with background noise may require a lower installation.

1. Find a location on the customer side directly above the glass barrier

where interactions will take place. Ensure there is enough space to

drill and there is no glass behind the material.

2. Checkthecableroutebacktotheamplierlocationunderthe

counter, considering cable length and access through countertop.

3. Markthexingpointstomountthespeakerbracketwhileensuring

there is access to retrieve the cable.

4. Drillxingpointsusingadrillbitsmallerindiameterthanthe

screws that will be permanently installed.

5. Alignthespeakerbracketwiththexingpoints.

6. Mountthebackplateusingtheappropriatescrews/xings.

7. With the cable facing down, slip the screws on the side of the

speakerintothegrovesofthebracket.Adjustthepositionofspeak-

er and tighten screws to secure in place.

8. Routethecablefromthespeakerbacktotheamplierinaneatand

tidy fashion, using cable containment where required.

9. Plug the speakers’ connector into the “Cust Spkr” port on the back

oftheamplier.

StaSpeaker&Microphone

Installation

STS-SU1 Staff Unit

Placethestaunitonthestasideofthecountertop,ensuringthat

itdoesnotcauseanobstructionandisasclosetostaaspossible.

Usethecablemanagementholeinthecountertorunthesta

microphonecablebacktotheamplier.

If there is not already a cable management hole, drill one (or at

leasta1/2inchhole)inasuitablelocationneartherearofthe

counter.

Plug the unit’s connectors with BLACK and YELLOW wires into the

“StaSpkr”portonthebackoftheamplier.

Note: The BLACK wire should be on the LEFT side of the connector.

The YELLOW wire should be on the RIGHT side of the connector.

Plug the unit’s connectors with BLACK+WHITE and RED wires into

the“StaMic”portonthebackoftheamplier.

Note: The BLACK+WHITE wires should be on the LEFT side of the

connector. The RED wire should be on the RIGHT side of the con-

nector.

Thestaunitmicrophonecanbeturnedonorobypressingthe

unit’s switch. When pressed down, the “O” position indicates the

unitisOFF,andthe“I”positionindicatestheunitisON.

Note:Thisswitchonlyturnsthestamicrophoneonoro.The

customer microphone remains active at all times.

AmplierConnections

LED connection or alert tone (if required)

CondenceLEDtoconrmthesystemispowered

oranalerttonefortheattentionofsta

Stamicrophone

Customer/visitormicrophone

CondenceLED(ifrequired)forstatusalerts

and fault detection

Hearing loop aerial

Line in connection for

external audio source

Staspeaker

Customer/visitorspeaker

Power input

connection

Use power supply

through ground

supply only

Hearing Loop Installation

IL-AE98 Window Mount Hearing Loop

TheIL-AE98WindowMountHearingLoopshouldbeinstalledonthe

screenonthestaside.

Ensure hearing loop signage is displayed clearly.

Determine the location of the hearing loop aerial on the glass

barrier. Make sure to place it directly in front of where a customer

will stand. It is recommended that the unit is placed on the bottom

corners of the glass barrier for optimal performance. Do not

exceed 2 feet above the average standing customer.

Clean the area with a glass cleaner and thoroughly wipe dry.

Remove the liner on the blue sheet with a faint outline of the

international hearing loop signage to expose the adhesive backing.

Please note that both sheets are not solid blue.

Carefully attach the sheet on the glass barrier with the international

hearing loop signage facing the customer. Slowly apply to glass

barrier while smoothing out air bubbles with straight-edged tool.

Remove the liner on the solid blue sheet, exposing the adhesive.

Carefully apply the hearing loop aerial with the attached cable

to the adhesive on the solid blue sheet. Ensure the cable is at the

edge of the sheet, and the wire is coming from the back side of the

aerial when applied.

Attach the solid blue sheet with hearing loop aerial to the sheet

attached to the glass barrier. Slowly apply while smoothing out air

bubbles with straight-edged tool.

Routethecablingneatlytotheamplierlocationonthestaside.

Plug the loop’s connector into the “Loop” port on the back of the

amplier.

AmplierSetup

OurWindowIntercomSystemampliersarepre-settovolumelevels

suitablefornearlyallusers.ShouldyouneedtoadjusttheMaximum

Volume,DuckingorHearingLooplevelsoutsideofthepre-setamplier

parameters, use Engineer’s Mode (see page 18).

Overview of Front Panel Buttons

Setup

Volume In (Customer/Visitor to Staff)

Increase and decrease

Volume Out (Staff to Customer/Visitor)

Increase and decrease

Settings

On/O

1. Connectallgreenplugstothebackoftheamplier,followingthe

locations printed above the sockets (or see Connections on page 5).

2. PowerontheamplierbypressingtheOn/Obutton.

3. Whenpoweredandinnormaloperationalmodetheamplierwill

display Volume In LED 1 and Volume Out LED 1 as steady green.

4. Whentheamplierisswitchedo,allaudioismutedandnoneof

theLEDsareilluminated.Pressinganybuttonwillturntheamplier

on again.

5. AdjustVolumeInandVolumeOuttoacomfortablelevel.

6. Press and hold the Volume In (+) or (-) buttons to increase or

decrease the level. The corresponding LED bars show the volume.

6. Ensure the mouse microphones are placed as close to their intended

users as possible.

7. Checktheamplierisfullyfunctionalbyensuringthered‘fault’light

isNOTshowingonthefront.

8. The Amplifier is now set up.

Factory Default Settings

Toreturntheamplierthefactorydefaultsettings:

1. Unplug the power supply and then reconnect it.

2. PresstheOn/ObuttonandVolumeIn(-)buttontogether,then

release.

3. The Volume In LED bar will have all LEDs illuminated, while the

VolumeOutLEDbarwilldisplaythermwarerevisionnumberina

xedpatternofLEDs.Thisindicatesthatdefaultsettingshavebeen

restored.

Fault Diagnosis LEDs

• Volume In LED 8 will stay red if there is

afaultwiththestamicrophone.

• Volume Out LED 8 will stay red if there

isafaultwiththecustomer/visitormi-

crophone.

• VolumeInLED8willashredifthere

is a fault with the loop (e.g. a broken

aerial).

Engineer’s Mode

Engineer’sModeallowsyoutoadjusttheVolumeInandOutlevels,

Ducking levels and Hearing Loop levels to better suit your environment

and achieve the best possible performance.

Increase maximum

stavolumelevel

Decrease maximum

stavolumelevel

Increase maximum

customer volume level

Decrease maximum

customer volume level

Save and exit Engineer’s ModeMove to the next setup area

Before entering Engineer’s Mode, cycle the power. To do this either:

• Switchthepoweroatthemainssocketandbackonagain

• Remove the power connector and re-insert it

To enter Engineer’s Mode, simultaneously press and release the

following buttons within 20 seconds of cycling the power:

• Settings button

• Volume In increase button

• Volume Out increase button

Number1LEDontheVolumeInwillashgreentoindicatethatyouare

in Engineer’s Mode.

Theon/oandsettingsbuttonsinEngineer’sModeoperateasfollows:

TheamplierwillautomaticallyexitEngineer’sModeifnobuttonsare

pressed for 2 minutes.

There are 3 editable setup areas in Engineer’s Mode. You will always en-

tersetuparea1rst.ThegreenVolumeInLEDbarwillashtoindicate

which setup area you are in.

Setup Area 1:

Maximum Volume Adjustment (LED 1 flashes)

SetupArea1allowsyoutoadjusttheVolumeInandVolumeOut

levels to further optimize the system for the environment in which it is

installed.

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Contacta STS-K020 User guide

Contacta STS-K020 User guide

Contacta STS-K020 User guide

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